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Home >> GMC >> 2024 >> Acadia AT4 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 8T65 (MF8) - Description And Operation >> Description and Operation >> Drive Range, Second Gear (Hydraulic Circuit) >> 2-9 Clutch Applies

2-9 Clutch Applies

2-9 Solenoid B 

The 2-9 solenoid B energizes allowing LINE fluid to enter the 2-9 regulator valve and enter the 2-9 CLUTCH FEED fluid circuit then is forced thru orifice #32 into the 29 CLUTCH fluid circuit and directed to the 2-9 clutch assembly.

2-9 Clutch Assembly 

29 CLUTCH fluid is directed to the 2-9 clutch assembly housing. 29 CLUTCH fluid moves the piston against spring force to apply holding of the 2-9 clutch plates.

VFS S3-8 Solenoid C 

The S3-8 solenoid C is commanded off allowing S3-8 VFS SIGNAL fluid to exhaust thru orifice #1 into the EXHAUST fluid circuit.